42035265206647 has 4 divisors (see below), whose sum is σ = 42100234705296. Its totient is φ = 41970295708000.

The previous prime is 42035265206591. The next prime is 42035265206707. The reversal of 42035265206647 is 74660256253024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42035265206647 - 2¹¹ = 42035265204599 is a prime.

It is a super-2 number, since 2×42035265206647² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42035265206594 and 42035265206603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42035265206147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32484748354 + ... + 32484749647.

It is an arithmetic number, because the mean of its divisors is an integer number (10525058676324).

Almost surely, 2^{42035265206647} is an apocalyptic number.

42035265206647 is a deficient number, since it is larger than the sum of its proper divisors (64969498649).

42035265206647 is an equidigital number, since it uses as much as digits as its factorization.

42035265206647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64969498648.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 42035265206647 in words is "forty-two trillion, thirty-five billion, two hundred sixty-five million, two hundred six thousand, six hundred forty-seven".